KR100447004B1 - 비디오신호처리방법및비디오신호처리장치 - Google Patents

비디오신호처리방법및비디오신호처리장치 Download PDF

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Publication number
KR100447004B1
KR100447004B1 KR10-1998-0708930A KR19980708930A KR100447004B1 KR 100447004 B1 KR100447004 B1 KR 100447004B1 KR 19980708930 A KR19980708930 A KR 19980708930A KR 100447004 B1 KR100447004 B1 KR 100447004B1
Authority
KR
South Korea
Prior art keywords
video signal
signal
lines
back porch
sync
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
KR10-1998-0708930A
Other languages
English (en)
Korean (ko)
Other versions
KR20000010797A (ko
Inventor
존 오 라이언
Original Assignee
매크로비젼 코포레이션
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Publication date
Application filed by 매크로비젼 코포레이션 filed Critical 매크로비젼 코포레이션
Publication of KR20000010797A publication Critical patent/KR20000010797A/ko
Application granted granted Critical
Publication of KR100447004B1 publication Critical patent/KR100447004B1/ko
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/12—Picture reproducers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/91—Television signal processing therefor
    • H04N5/913—Television signal processing therefor for scrambling ; for copy protection
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/91—Television signal processing therefor
    • H04N5/913—Television signal processing therefor for scrambling ; for copy protection
    • H04N2005/91307—Television signal processing therefor for scrambling ; for copy protection by adding a copy protection signal to the video signal
    • H04N2005/91314—Television signal processing therefor for scrambling ; for copy protection by adding a copy protection signal to the video signal the copy protection signal being a pulse signal inserted in blanking intervals of the video signal, e.g. pseudo-AGC pulses, pseudo-sync pulses

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Television Signal Processing For Recording (AREA)
  • Picture Signal Circuits (AREA)
  • Studio Circuits (AREA)
  • Photoreceptors In Electrophotography (AREA)
  • Nitrogen Condensed Heterocyclic Rings (AREA)
KR10-1998-0708930A 1996-05-08 1997-05-07 비디오신호처리방법및비디오신호처리장치 Expired - Lifetime KR100447004B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US1785996P 1996-05-08 1996-05-08
US60/017,859 1996-05-08

Publications (2)

Publication Number Publication Date
KR20000010797A KR20000010797A (ko) 2000-02-25
KR100447004B1 true KR100447004B1 (ko) 2004-11-03

Family

ID=21784930

Family Applications (1)

Application Number Title Priority Date Filing Date
KR10-1998-0708930A Expired - Lifetime KR100447004B1 (ko) 1996-05-08 1997-05-07 비디오신호처리방법및비디오신호처리장치

Country Status (12)

Country Link
EP (1) EP0897635B1 (enExample)
JP (1) JP4182262B2 (enExample)
KR (1) KR100447004B1 (enExample)
AT (1) ATE462274T1 (enExample)
AU (1) AU704950B2 (enExample)
BR (1) BR9708927B1 (enExample)
CA (1) CA2252729C (enExample)
DE (1) DE69739818D1 (enExample)
IN (1) IN191905B (enExample)
NZ (1) NZ332289A (enExample)
TW (1) TW331691B (enExample)
WO (1) WO1997042755A1 (enExample)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2585732C (en) 2004-10-28 2012-03-20 Macrovision Corporation Content management for high definition television
US7792293B2 (en) 2005-05-06 2010-09-07 Rovi Solutions Corporation Method and apparatus for modifying a subsequently generated control command in a content control system

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52114313A (en) * 1976-03-23 1977-09-26 Sony Corp Recorded medium and production method therefor
JPS58123289A (ja) * 1982-01-18 1983-07-22 Shinano Kikaku:Kk 否複製映像録画済磁気テ−プの記録方法
US4577216A (en) * 1983-11-14 1986-03-18 Macrovision Method and apparatus for modifying the color burst to prohibit videotape recording
US4819098A (en) * 1983-11-23 1989-04-04 Macrovision Corporation Method and apparatus for clustering modifications made to a video signal to inhibit the making of acceptable videotape recordings
US5130810A (en) * 1983-11-23 1992-07-14 Macrovision Corporation Method and apparatus for processing a video signal so as to prohibit the making of acceptable videotape recordings
US4631603A (en) * 1985-04-17 1986-12-23 Macrovision Method and apparatus for processing a video signal so as to prohibit the making of acceptable video tape recordings thereof
US5134496A (en) * 1989-05-26 1992-07-28 Technicolor Videocassette Of Michigan Inc. Bilateral anti-copying device for video systems
NL9000951A (nl) * 1990-04-20 1991-11-18 Copyguard Enterprises Werkwijze en toestel voor het verhinderen van het onrechtmatig op band overnemen van beeldsignalen.
US5251041A (en) * 1991-06-21 1993-10-05 Young Philip L Method and apparatus for modifying a video signal to inhibit unauthorized videotape recording and subsequent reproduction thereof
US5394470A (en) * 1992-08-24 1995-02-28 Eidak Corporation Horizontal pulse augmentation of a video signal
US5583936A (en) * 1993-05-17 1996-12-10 Macrovision Corporation Video copy protection process enhancement to introduce horizontal and vertical picture distortions
US5585929A (en) * 1993-06-10 1996-12-17 Young; Philip L. Method and apparatus for modifying a video signal to inhibit unauthorized videotape recording and subsequent reproduction thereof
KR0133337B1 (ko) 1994-12-21 1998-04-21 양승택 타켓 시스템 이중화 운용관리 장치 및 방법
KR19980703544A (ko) * 1995-04-07 1998-11-05 프랭클린트레버 영상신호 처리방법 및 장치

Also Published As

Publication number Publication date
CA2252729C (en) 2001-08-07
IN191905B (enExample) 2004-01-17
TW331691B (en) 1998-05-11
DE69739818D1 (de) 2010-05-06
EP0897635A1 (en) 1999-02-24
HK1016391A1 (en) 1999-10-29
BR9708927A (pt) 1999-08-03
EP0897635A4 (en) 2000-11-22
JP4182262B2 (ja) 2008-11-19
KR20000010797A (ko) 2000-02-25
NZ332289A (en) 2000-07-28
AU704950B2 (en) 1999-05-06
ATE462274T1 (de) 2010-04-15
BR9708927B1 (pt) 2010-11-16
JP2000510297A (ja) 2000-08-08
CA2252729A1 (en) 1997-11-13
WO1997042755A1 (en) 1997-11-13
EP0897635B1 (en) 2010-03-24
AU3119497A (en) 1997-11-26

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US6188832B1 (en) Method and apparatus for modifications made to a video signal to inhibit the making of acceptable videotape recordings
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KR100447004B1 (ko) 비디오신호처리방법및비디오신호처리장치
GB2396767A (en) Inserting positive-going pulses to back porch of a video signal for copy protection
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HK1016391B (en) Method and apparatus for modifications made to a video signal to inhibit the making of acceptable videotape recordings
Faroudja et al. Color-Under Recorders: Limitations, Manual Correction, and Automated Enhancement

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